What does a 2 3 8 inch backset refer to?
The backset is the distance from the edge of the door to the center of the 2-1/8-inch bore hole. In the United States, there are two common backsets for residential door locks: 2 3/8 inches and 2 3/4 inches. Pack your locks with a 2-3/8-inch or 2-3/4-inch latch, depending on which backset you specify.
What is backset size on a latch?
The backset is the distance from the edge of the door to the spindle mechanism on the latch. Usually a 63mm case measurement will have a 44mm backset and a 76mm case measurement will have a 65mm backset. The backset you choose is where your door knobs will sit on the door (where the spindle goes through).
What is the most common backset?
Standard backsets are either a 2 3/8″ backset, or 2 3/4″ backset. The most common backset is 2 3/8″ but 2 3/4″ is also quite common – usually used on exterior doors. Sometimes it’s easier to measure from the edge of the door to the highest point on the bore hole.
What does lock backset mean?
‘Backset’ is the distance from the front of the lock to the centre of the spindle as shown here. If you intend to use new locks or latches on an old door, replacing your old ones, you will need to make sure the new one fits into the hole in the door. To do this, measure the ‘backset’ distance of your old lock.
Are all door latches the same size?
The most common size has a casing which is 63mm in depth and the distance to the middle of the square operating spindle is 44mm. This size of latch is used for the majority of lever handles on back plates, where the width of the back plate is about 40-45mm.
What does latch size mean?
These sizes are the overall length of the latch, or the case. When measured to the spindle mechanism, the backset, then they translate as 44mm for the 65mm case and 57mm for the 76mm case. Whether you have lever on rose door handles or lever on backplate, your interior door handles can house any latch.
What size do door latches come in?
What is a 65mm latch?
Are there different types of door latches?
What Are The Different Types Of Door Locks And Door Latches?
- Tubular Latches. A tubular latch sometimes referred to as a mortice latch is used in conjunction with either a lever latch door handle, a lever on rose or a privacy door handle.
- Rollerbolt Latches.
- Sash Locks.
- Bathroom Locks.
- Dead Locks.
- Rim Locks and Rim Latches.
How do you measure a door knob backset?
To determine the backset on your door, measure the distance from the outer edge of the door, to the center, or highest point of the bore hole. If there is existing door hardware measure from the edge of the door to the center of the knob’s backplate.